Winters 2 inch Dial Size, Multi Function Economy Utility Dry Pressure Gauge, Brass Internals, Black Steel Case, Dual Scale 0-160 psi/kPa, 3-2-3% Accuracy, 1/4 inch NPT Bottom Mount, Pressure Gauge

Does the job!

Installed these gauges on both of my filters. A gauge gives you a better idea of filter condition as opposed to filter appearance. Easy to add the gauge. I just drill a 7/16" hole in the output side of the housing and thread it with a 1/4" pipe tap. Put a few wraps of Teflon tape on the gauge threads and thread it in.

I had originally poorly reviewed this item thinking I was sent something with the wrong fitting size. Further research indicates I was wrong - the 1/4 NPT fitting is just far larger than I expected - with a diameter of about 1/2".Do your research, and order this gauge alongside a 1/4 NPT female to 1/4 SAE male adapter if you need it for use with standard HVAC hoses (1/4 low loss fittings). This will not work with those hoses out of the box without an adapter.

Very good gauge, going on my 3rd because I can get careless at work and drop or over pressurize. But, for your hard working dollar it's worth it if you take care of it. I use mine from shop air, to a 90 degree valve, to a pressure regulator, then the Winters gauge, to an air chuck. I use this gauge to pressurized and monitor coolant systems on diesel transit coaches. I use this to apply only 16psi or 11psi depending on engine, to find coolant leaks, and to verify repairs. Apply the specified pressure, cut off shop air, monitor gauge, hopefully the needle holds after repairs. Easy peasy. When I break the next one, I'll just buy 2 at a time. Just wish they offered a rubber boot of some sort.

Worked great to set pressure of torpedo heater after a tune up.

When my first one arrived, it was showing 7 PSI out of the box. I did not even connect it. I contacted Amazon for a replacement. This is being used in an assembly that allows me to air up/down two tires at a time. We do off-roading and the ability to air up/down two tires at a time is a good thing. It also allows me to balance the pressure between the two tires. I also have the ability to check the line pressure with a regular tire gauge (just a back up). I have one electronic and two manual tire gauges that I use. All three of these read exactly the same at 40-65 PSI.The replacement gauge arrived two days later. It was at 0 PSI out of the box. I installed it and started checking...thinking a gauge at this price point would be way off. Actually what I found after testing it with my three tire gauges was impressive. At 40 PSI and below it reads about 1 PSI low. At 50-65 it reads exact to about 1/2 PSI high. I have used high-end, expensive, oil filled gauges that were no where this accurate.Bottom line...I am very pleased with the replacement and glad that I decided to stay with the same brand/seller, etc. Thanks!

To check for the best time to clean your swimming pool filter one needs a accurate preassure guage.I replaced my 10 year old preassure gauge and instatly found out I was getiing wronge readings. The old guage was showing low preassure. I changed this easily and I preciesly know when to clean the filter. The preassure reading keeps going up as the filter keeps getting dirty. A must have change in your pool filter if your guage is more than 2 years old.

Middle of the road. Does the job. Nothing heavy duty.